NVIDIA RTX A4000 Max-Q vs AMD Radeon HD 6870M

VS

NVIDIA RTX A4000 Max-Q

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Released 10 years and 3 months late

Boost Clock1395MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (352.0GB/s vs 64.00GB/s)

4320 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +1222%

14.28 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

RTX A4000 Max Q

VS

Radeon HD 6870M

Graphics Card

Apr 2021

Release Date

Jan 2011

Quadro Ampere-M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1375 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

40

SM Count

-

5120

Shading Units

800

160

TMUs

40

80

ROPs

16

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

111.6 GPixel/s

Pixel Rate

10.80 GPixel/s

223.2 GTexel/s

Texture Rate

27.00 GTexel/s

14.28 TFLOPS

FP16 (half)

-

14.28 TFLOPS

FP32 (float)

1080 GFLOPS

223.2 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Granville

-

GPU Variant

Granville XT (216-0769024)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.04 billion

392 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

5.0

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